Home / 4,948.36-7,422.57-2,174.38

Finding the Fourth Proportional to 4,948.36, 7,422.57 and 2,174.38

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Solution

The fourth proportional to 4,948.36, 7,422.57 and 2,174.38 is: 3,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.36 : 7,422.57 = 2,174.38 : x
  2. Step 2: Convert to fraction form
    4,948.36/7,422.57 = 2,174.38/x
  3. Step 3: Cross multiply
    4,948.36x = 7,422.57 × 2,174.38
  4. Step 4: Simplify right side
    4,948.36x = 16,139,469.20
  5. Step 5: Solve for x
    x = 16,139,469.20/4,948.36
  6. Step 6: Final answer
    x = 3,261.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.